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<H2><A NAME="13_1">13.1 Adjusting the size of the LED digits</A></H2>
 There are two parameters that can be used to alter the size of the LED
 digits.
<UL>
<LI> The size (in pixels) of each &quot;led diode&quot;</LI>
<LI> The distance, specified as fractions of the &quot;led diode&quot; size
 between each &quot;led diode&quot;</LI>
</UL>
 These two parameters are given in the constructor which has the
 signature <TT>DigitalLED74::DigitalLED74($aRadius=2,$aMargin=0.6)</TT>
 as can be seen from the above signature the default size is 2 pixels in
 size and a fraction of 0.6 as the distance.<HR NOSHADE>
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